1122011111222 has 16 divisors (see below), whose sum is σ = 1742711544000. Its totient is φ = 541144148160.

The previous prime is 1122011111191. The next prime is 1122011111227. The reversal of 1122011111222 is 2221111102211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122011111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122011111227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159854 + ... + 9281537.

It is an arithmetic number, because the mean of its divisors is an integer number (108919471500).

Almost surely, 2^{1122011111222} is an apocalyptic number.

1122011111222 is a deficient number, since it is larger than the sum of its proper divisors (620700432778).

1122011111222 is a wasteful number, since it uses less digits than its factorization.

1122011111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18442471.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1122011111222 its reverse (2221111102211), we get a palindrome (3343122213433).

The spelling of 1122011111222 in words is "one trillion, one hundred twenty-two billion, eleven million, one hundred eleven thousand, two hundred twenty-two".